1. Extensions to RSVP-TE for LSP Egress Local Protection
draft-ietf-teas-rsvp-egress-protection-06
Huaimo Chen, Autumn Liu
Tarek Saad, Fengman Xu
Lu Huang, Ning So
Mehmet Toy, Lei Liu, Zhenbin Li
Boris Zhang, Nan Meng, Vic Liu

2. More Details Primary LSP Backup LSP Compute Path for Backup LSP
After determining backup egress for protecting primary egress, PLR
Computes path from PLR to backup egress
Excluding segment including primary egress to be protected
PE1
CE1
Primary LSP
Backup LSP
Data
PE7
PE8
CE3
1. Configure Backup Egress on ingress
3. Configure Backup Egress on primary egress
Backup Egress
Primary Egress
Ingress P2 P1
2. Configure same local IP address on primary backup egress and backup egress
Note: local IP address is different from Backup Egress (e.g., from primary egress’ view). In other words, backup egress is identified by address different from this local address.
Path message for primary LSP with SERO having backup egress sent to primary egress

3. Thanks
Any comments?